Biology – Soil Analysis Laboratory

Sample Results

 

Texture:                    Sample 1 - sand                   Sample 2 – clay                    Sample 3 – loam

 

 

Density:                    Sample 1                               Sample 2                               Sample 3

                                    10% heavy                            40% heavy                            10% heavy

                                    60% medium                         40% medium                         70% medium

                                    30% light                               20% light                               20% light

 

Permeability:           Sample 1                               Sample 2                               Sample 3

                                    60 sec                                                100 sec                                  30 sec

 

Microscopic Exam:

 

Illustrations               Sample 1                               Sample 2                               Sample 3

Color:                                                Sample 1 - Light Brown      Sample 2 – Yellow               Sample 3 - white

 

Carbonate Testing:           Sample 1 - negative                        Sample 2 – positive             Sample 3 - negative

 

Sulfide Testing:                  Sample 1 - negative                        Sample 2 – negative           Sample 3 - positive

 

 

Ph Testing:                          Sample 1 – 6.9                     Sample 2 – 7.1                     Sample 3 – 6.5

 

 

Organic Reduction:           Sample 1 -                             Sample 2 –                            Sample 3

                                                start weight = 199.90 grams       start weight = 175.50 g              start weight = 175.50 g

                                                ending weight = 170.75 grams    ending weight = 170.00 g           ending weight=170.00 g

 

 

Summary:     In our experiment and analysis of the three soil samples, several differences were noted. These include: